Solid-State Molecular Organization and Solution Behavior of Methane-1,1-Diphosphonic Acid Derivatives of Heterocyclic Amines: The Role of the Topochemical Ring Modification and the Intramolecular Hydrogen Bonds in Monosubstituted Piperid-1-ylmethane-1,1-diphosphonic Acids

2005 ◽  
Vol 11 (8) ◽  
pp. 2357-2372 ◽  
Author(s):  
Ewa Matczak-Jon ◽  
Veneta Videnova-Adrabi?ska ◽  
Agnieszka Burzy?ska ◽  
Pawe? Kafarski ◽  
Tadeusz Lis
Keyword(s):  
Solid State ◽  
Hydrogen Bonds ◽  
Heterocyclic Amines ◽  
Molecular Organization ◽  
Diphosphonic Acid ◽  
Intramolecular Hydrogen Bonds ◽  
Diphosphonic Acids ◽  
Intramolecular Hydrogen ◽  
Derivatives Of

Hydrogen bonds in derivatives of N-substituted N’-benzoyl- and N’-(2-chlorobenzoyl)thiourea

1991 ◽  
Vol 56 (4) ◽  
pp. 880-885 ◽  
Author(s):  
Oľga Hritzová ◽  
Dušan Koščík
Keyword(s):  
Hydrogen Bonds ◽  
Spectral Studies ◽  
Intramolecular Hydrogen Bonds ◽  
Tautomeric Forms ◽  
Intramolecular Hydrogen ◽  
Derivatives Of

Intramolecular hydrogen bonds of the N-H···O=C type have been detected in the derivatives of N-substituted N’-benzoyl- and N’-(2-chlorobenzoyl)thiourea on the basis of IR spectral studies. The title compounds can exist in two tautomeric forms.

Intramolecular hydrogen bonds in the sulfonamide derivatives of oxamide, dithiooxamide, and biuret. FT-IR and DFT study, AIM and NBO analysis

Tetrahedron ◽  
2010 ◽  
Vol 66 (44) ◽  
pp. 8551-8556 ◽  
Author(s):  
B.A. Shainyan ◽  
N.N. Chipanina ◽  
T.N. Aksamentova ◽  
L.P. Oznobikhina ◽  
G.N. Rosentsveig ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Nbo Analysis ◽  
Dft Study ◽  
Intramolecular Hydrogen Bonds ◽  
Ft Ir ◽  
Intramolecular Hydrogen ◽  
Derivatives Of ◽  
Aim And Nbo

Chain-breaking antioxidant activity of hydroxylated and methoxylated magnolol derivatives: the role of H-bonds

2017 ◽  
Vol 15 (29) ◽  
pp. 6177-6184 ◽  
Author(s):  
Andrea Baschieri ◽  
Luana Pulvirenti ◽  
Vera Muccilli ◽  
Riccardo Amorati ◽  
Corrado Tringali
Keyword(s):  
Antioxidant Activity ◽  
Hydrogen Bonds ◽  
Intramolecular Hydrogen Bonds ◽  
Chain Breaking ◽  
Intramolecular Hydrogen

The chain-breaking antioxidant activity of four new hydroxylated and methoxylated magnolol derivatives is boosted by intramolecular hydrogen bonds.

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